Decision Support System

Presented By:- Nitin Chugh

Decision Support Systems:-

A decision support system (DSS) is a computer-based information system that supports business or organizational decision-making activities.

Decision Support System

The essential flow of information in a DSS.

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Raw Data

Decision Support Software

Useful Information

Decision makers

Why Decision Support Systems?

Data is easily stored and retrieved. Prioritize decisions. Anticipate upcoming decisions. Remember and evaluate past decisions. Provide consistency to decision making. Combines the expertise of human and

computer decision making.

Situations were DSS can be used:

Inventory control Sales forecasting Cost-benefit analysis Problem diagnosis Option prioritization Resource allocation

• Business cycle control• Performance evaluation• Value analysis• Target marketing• Supply Chain integration• Customer tracking• Knowledge management

Components of a DSS

Database management system

(DBMS)

Model-base management system

(MBMS)

Dialog generation and management

system (DGMS)

Three fundamental components

Database management system DBMS

Data storage User access Organizes data into types Provides logical data structure Lets user know the type of data that is

available

Model-base management system MBMS

Transforms data from DBMS into useful information

Prepare information for decision making

Raw Data

DBMS MBMS

Extract raw data Useful Information

Dialog generation and management system DGMS

User interface for DSS How users extract desired information from

DSS.

How DSS’s are being used

Automotive– Emissions testing

Health care-- Diagnosing patients

How DSS’s are being used

Agriculture-- Crop yield

Airline– Flight scheduling

Examples of Decision Support Systems

OutlookSoft

webFocus

SYBASE

• ERGO

• ERGOV

• TESS

Decision Support Systems can help all types of organizations.

DSS’s use the advantages of computers and humans in decision making.

DSS’s should be customized to fit the specific needs of your organization.

Conclusion